Home / 123,078,987.60-184,628,257.32-41,198,298.12

Finding the Fourth Proportional to 123,078,987.60, 184,628,257.32 and 41,198,298.12

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Solution

The fourth proportional to 123,078,987.60, 184,628,257.32 and 41,198,298.12 is: 61,800,719.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,078,987.60 : 184,628,257.32 = 41,198,298.12 : x
  2. Step 2: Convert to fraction form
    123,078,987.60/184,628,257.32 = 41,198,298.12/x
  3. Step 3: Cross multiply
    123,078,987.60x = 184,628,257.32 × 41,198,298.12
  4. Step 4: Simplify right side
    123,078,987.60x = 7,606,369,986,445,431
  5. Step 5: Solve for x
    x = 7,606,369,986,445,431/123,078,987.60
  6. Step 6: Final answer
    x = 61,800,719.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.